羊膜类, 羊膜动物
The present study examined the utility of nuclear gene c-mos in higher level phylogeny among lizards, caenophidian snakes and amniotes. 鬣蜥科是避役科的姐妹群,盾蜥科与环尾蜥科紧密关联,鳄蜥与巨蜥相聚。